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From: Saeed Mahameed <saeed@kernel.org>
To: Naveen Mamindlapalli <naveenm@marvell.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: kuba@kernel.org, davem@davemloft.net, sgoutham@marvell.com,
	lcherian@marvell.com, gakula@marvell.com, jerinj@marvell.com,
	sbhatta@marvell.com, hkelam@marvell.com
Subject: Re: [PATCH v2 net-next 06/13] octeontx2-pf: Add support for unicast MAC address filtering
Date: Fri, 06 Nov 2020 14:15:33 -0800	[thread overview]
Message-ID: <df7273e41c72d0b9ac3e7df2773417069169a29f.camel@kernel.org> (raw)
In-Reply-To: <20201105092816.819-7-naveenm@marvell.com>

On Thu, 2020-11-05 at 14:58 +0530, Naveen Mamindlapalli wrote:
> From: Hariprasad Kelam <hkelam@marvell.com>
> 
> Add unicast MAC address filtering support using install flow
> message. Total of 8 MCAM entries are allocated for adding
> unicast mac filtering rules. If the MCAM allocation fails,
> the unicast filtering support will not be advertised.
> 
> Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
> Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
> Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
> ---
>  .../ethernet/marvell/octeontx2/nic/otx2_common.h   |  10 ++
>  .../ethernet/marvell/octeontx2/nic/otx2_flows.c    | 138
> +++++++++++++++++++--
>  .../net/ethernet/marvell/octeontx2/nic/otx2_pf.c   |   5 +
>  3 files changed, 146 insertions(+), 7 deletions(-)
> 

> +int otx2_add_macfilter(struct net_device *netdev, const u8 *mac)
> +{
> +	struct otx2_nic *pf = netdev_priv(netdev);
> +	int err;
> +
> +	err = otx2_do_add_macfilter(pf, mac);
> +	if (err) {
> +		netdev->flags |= IFF_PROMISC;

I don't think you are allowed to change netdev->flags inside the driver
like this, this can easily conflict with other users of this netdev;
netdev promiscuity is managed by the stack via refcount Please see:
__dev_set_promiscuity() and dev_set_promiscuity()

And you will need to notify stack and userspace of flags changes.


  reply	other threads:[~2020-11-06 22:15 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-05  9:28 [PATCH v2 net-next 00/13] Add ethtool ntuple filters support Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 01/13] octeontx2-af: Modify default KEX profile to extract TX packet fields Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 02/13] octeontx2-af: Verify MCAM entry channel and PF_FUNC Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 03/13] octeontx2-af: Generate key field bit mask from KEX profile Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 04/13] octeontx2-af: Add mbox messages to install and delete MCAM rules Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 05/13] octeontx2-pf: Add support for ethtool ntuple filters Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 06/13] octeontx2-pf: Add support for unicast MAC address filtering Naveen Mamindlapalli
2020-11-06 22:15   ` Saeed Mahameed [this message]
2020-11-05  9:28 ` [PATCH v2 net-next 07/13] octeontx2-af: Add debugfs entry to dump the MCAM rules Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 08/13] octeontx2-af: Modify nix_vtag_cfg mailbox to support TX VTAG entries Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 09/13] octeontx2-pf: Implement ingress/egress VLAN offload Naveen Mamindlapalli
2020-11-06 22:33   ` Saeed Mahameed
2020-11-05  9:28 ` [PATCH v2 net-next 10/13] octeontx2-pf: Add support for SR-IOV management functions Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 11/13] octeontx2-af: Handle PF-VF mac address changes Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 12/13] octeontx2-af: Add new mbox messages to retrieve MCAM entries Naveen Mamindlapalli
2020-11-05  9:28 ` [PATCH v2 net-next 13/13] octeontx2-af: Delete NIX_RXVLAN_ALLOC mailbox message Naveen Mamindlapalli
2020-11-10 16:53 [PATCH v2 net-next 06/13] octeontx2-pf: Add support for unicast MAC address filtering Naveen Mamindlapalli

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